Finding the Fourth Proportional to 1,312,269.84, 1,967,704.92 and 679,614.48
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Solution
The fourth proportional to 1,312,269.84, 1,967,704.92 and 679,614.48 is: 1,019,059.28
Step by Step Solution
- Step 1: Write the proportion equation
1,312,269.84 : 1,967,704.92 = 679,614.48 : x - Step 2: Convert to fraction form
1,312,269.84/1,967,704.92 = 679,614.48/x - Step 3: Cross multiply
1,312,269.84x = 1,967,704.92 × 679,614.48 - Step 4: Simplify right side
1,312,269.84x = 1,337,280,755,999.24 - Step 5: Solve for x
x = 1,337,280,755,999.24/1,312,269.84 - Step 6: Final answer
x = 1,019,059.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.